Ah, yes. The darkest of nights and the reflection of a casting light. In Shadow lies the powers of stealth and silence, the ultimate tool for a secretive victory.
In ancient China, women bind their feet for cosmetic reasons, resulting in them not able to walk without help and walking in a shuffling gait.
Possibly this can be modified such that people do it for less stupid reasons.
Disclaimer: This is NOT a racist remark since I'm Chinese myself and hence entitled to freely judge Chinese customs. NOT sexist either since I'm female as well.