FURVERT!

arms_tied arms_tied_behind_back bdsm bondage bound bulge canid canine chastity_bulge chastity_device chest_harness clothing collar encasement femboy fox gag gagged group harness helpless hi_res hidden latex latex_clothing latex_skinsuit legs_tied lock lock_bulge lock_symbol mammal null null_bulge oubliette prison prisoner restrained restricted rubberjett sack skinsuit solo_focus suspension suspension_bondage tight_clothing trio tunnels underground