▁over ▁a ▁net , ▁or ▁occasionally ▁over ▁water . ▁ ▁In ▁the ▁UK , ▁many ▁out door ▁education ▁cent res ▁offer ▁an ▁activity ▁known ▁as ▁' le ap ▁of ▁faith '. ▁This ▁activity ▁inv ites ▁participants ▁to ▁clim b ▁to ▁the ▁top ▁of ▁a ▁narrow ▁pole ▁and ▁jump , ▁arms ▁out st retch ed , ▁to ▁grab ▁a ▁tra pe ze ▁bar . ▁Similar ▁to ▁the ▁flying ▁tra pe ze , ▁gravity ▁creates ▁the ▁swing . ▁In ▁this ▁type ▁of ▁activity , ▁participants ▁are ▁attached ▁via ▁ro pe ▁and ▁har ness ▁and ▁an ▁added ▁challenge ▁to ▁get ▁your ▁legs ▁over ▁the ▁tra pe ze ▁can ▁be ▁included . ▁ ▁Washington ▁tra pe ze ▁( also ▁known ▁as ▁head ▁tra pe ze ▁or ▁heavy ▁tra pe ze ) ▁refers ▁to ▁a ▁variation ▁on ▁static ▁and ▁swing ing ▁tra pe ze ▁where ▁the ▁aer ial ist ▁performs ▁various ▁head stand ▁skills ▁on ▁the ▁bar , ▁which ▁is ▁typically ▁much ▁heav ier ▁than ▁a ▁normal ▁tra pe ze ▁bar ▁and ▁has ▁a ▁small ▁( about ▁ 4 - inch ▁round ) ▁head stand ▁platform ▁on ▁it . ▁The ▁tra pe ze ▁is ▁supported ▁by ▁wire ▁c ables ▁rather ▁than ▁ro pes , ▁and ▁the ▁appar atus ▁will ▁often ▁be ▁lifted ▁and ▁lower ed ▁during ▁the ▁act . ▁ ▁Dance ▁tra pe ze ▁( also ▁known ▁as ▁single - point ▁tra pe ze ) ▁refers ▁to ▁a ▁tra pe ze ▁used ▁by ▁many ▁modern ▁dance ▁companies ▁in ▁aer ial ▁dance . ▁The ▁ro pes ▁of ▁the ▁tra