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Ice lock and rope ratchet
#1
I got a question about a device I've used in one of my sessions so here are the details.

First an exploded view where I label all the parts:

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A: Ice lock container
B: Ice lock lid
C: Ice lock anchor
D: harness anchor ring
E: pvc tube
F: rope ratchet
G: pull rope
H: noose
I: wrist coil

First lets talk about the ice lock, it's basically the same as described on this very site


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Just some pvc bits in 32mm from the hardware store, all glued together. First I used Tec7 but that failed after a while, I patched it up with a hot glue gun and that seems to withstand the freeze/thaw cycles better.

The preparation is simple, put the anchor rope trough the lid:


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fill with water, screw the lid in place and put in the freezer. An hour in the freezer gives only 15 minutes or so and a week lock, for full fun at least 4 hours is required.


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In this picture you see a steel ring. This ring is used as an anchor point to a rope harness I tie on my upper chest, the ring is then as high as possible between my shoulder blades. It's important that this ring is wide enough for the anchor from the ice lock to pass through (or it must be put there when assembling the ice lock and frozen together) but the container can't.

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I do it that way instead of using the ring on the other side of the ice lock to shorten the distance between the anchor point and the rope ratchet. The shorter it is the tighter the bondage will be.


Then the rope ratchet. It's just one from Gamma, it can hold 150 pounds according to the specs but I can lift way more than that and it hasn't slipped once. I made a loop in the rope and tied the end to the carabiner, once it's in the tube it will be out of reach.

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Then there is a simple wrist loop, you  need to experiment a bit to see what works for you. By pulling the rope from the ratchet tight it will cinch the wrist loop and lift your hands higher up your back.

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The ratchet goes into the pvc tube, I have put a screw trough it to hook the carabiner up. This keeps everything in place and prevents you from sliding the tube away from the knot and ratchet release lever.


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Detailed look. Don't mind the extra holes, they are a leftover from my experiments of getting it right. I wanted to use a padlock first to lock the ratchet to the tube but that didn't work to well. It could work with a more fitting one, just try it. I went with this solution, I need two wrenches to make the bolts tight so there is no chance of getting them off with just my fingers.

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The ratchet in place

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side view

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As you can see there is no room for desperate fingers to undo the knot or reach the release on the ratchet.


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This is the way the ratchet must be attached to the ice lock. Pay very much attention to not attach it to the harness ring because this cancels out the ice release. I did that once and luckily the rest of the ropework was a bit to experimental or that would have been a whole different scenario.


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Only 16 cm, that's good for some pretty tight bondage. Note that by using the other ring on the ice lock this distance increases a lot. On top of that I once managed to pull the ice lock apart when I was using it in a hogtie, using the extra ring not only reduces the distance lost but it's also a lot stronger.

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This is how far my research and development got me Smile I'm thinking about getting a special made to measure box 3D-printed that will fit the ratchet better and will only have just enough room for the carabiner and the ropes. That should reduce the distance even further and be less bulky (and more aesthetically pleasing).

It works really well for hands behind the back, lifted up high but also for hogties.
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#2
(28 Jan 2017, 10:15 )Anne Wrote: fill with water, screw the lid in place and put in the freezer. An hour in the freezer gives only 15 minutes or so and a week lock, for full fun at least 4 hours is required.
Does a 1.5-2x longer piece of rope help?
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#3
(28 Jan 2017, 17:08 )Like Ra Wrote:
(28 Jan 2017, 10:15 )Anne Wrote: fill with water, screw the lid in place and put in the freezer. An hour in the freezer gives only 15 minutes or so and a weak lock, for full fun at least 4 hours is required.
Does a 1.5-2x longer piece of rope help?

Au contraire, there is hardly any water in the tube as it is and more rope means less water to freeze. Then there is the risk of tangling the rope, it used to be longer but then I got in a bit trouble once as it formed a knot, when turning on the lid the rope twists inside the container so you don't really control how it ends up on the inside, I managed to get it stuck by just assembling the ice lock and then pulling the rope. Trust me, a short (only slightly longer than the tube) rope works best, at least with this kind of rope ( 6mm nylon ).

For the release it doesn't really matter, as long as a bit of ice is clinging to the rope it wont slide out.
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#4
(28 Jan 2017, 21:43 )Anne Wrote: Then there is the risk of tangling the rope
Yes, very true, hence I said 1.5-2 times longer, what theoretically should not be a problem, but if
(28 Jan 2017, 21:43 )Anne Wrote: it used to be longer but then I got in a bit trouble once as it formed a knot
then yes, better be safe, especially if
(28 Jan 2017, 21:43 )Anne Wrote: a short (only slightly longer than the tube) rope works best, at least with this kind of rope ( 6mm nylon ).
what is very interesting... Thanks!
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