Like Ra in latex catsuit, latex mask and high heels
Like Ra's Naughty Playground

Sugar or Salt based padlock 1
non ice-based self-bondage salt sugar time-lock self-bondage selfbondage methods bondage self bondage

Same as Ice padlock 4 but with sugar, salt or any safe water soluble stuff inctead of ice. In order to get free you will need to dissolve what's in the sock in water.

This method is suitable for self-bondage sessions in the bath or shower. Also in hotels.