Frozen
So the task then.
1) You will travel to a to a forest
2)You will walk into the forest for five minutes and will not use any public foot paths
3)You will leave your clothes at the side of a tree, and walk for another 10 minutes but try and weave in and out of the trees and try and make it so you're not sure of the way to your clothes.
4) You then have 20 minutes to locate you clothes and if you can't find them in that period you must go home naked.
5) There are two ways to earn the cube do, the above and find your clothes in the time frame and get dressed. Do the above and fail to find your clothes in the tome frame and leave them behind.
6) If you spend longer than 20 minutes looking for your clothes but go home in them you will have failed the task and spent over half an hour naked with your silyt chastity device on display to anyone who happens to be near.