When an ucircumcised guy pulls his forskin over the head of the penis of a circumcised to induce pleasure.
I gave chinese handcuffs to this trick I brought home last night and he loved it. He said he'd never been with an uncircumcised guy before.
Two guys inside a gal at the same time, one in her pussy or ass (doggy style) the other in her mouth. As they are moving, it resembles 2 fingers stuck in chinese handcuffs. see also roasting
We pounded her like she was chinese handcuffs!