▁the ▁f ences ▁are ▁solid , ▁so ▁the ▁r ider ▁need ▁not ▁worry ▁about ▁dro pping ▁a ▁rail ▁( as ▁would ▁typically ▁happen ▁if ▁he ▁began ▁sitting ▁up ▁too ▁soon ▁when ▁r iding ▁f ence ▁in ▁show ▁jump ing ). ▁The ▁r ider ▁is ▁not ▁trying ▁to ▁encou rage ▁a ▁great ▁bas c ule ▁from ▁the ▁horse . ▁Although ▁it ▁may ▁appear ▁that ▁the ▁r ider ▁is ▁getting ▁left ▁behind , ▁a ▁properly ▁r idden ▁drop ▁f ence ▁will ▁keep ▁the ▁r ider ▁centered ▁over ▁the ▁horse , ▁and ▁still ▁provide ▁him ▁enough ▁freedom ▁to ▁comfort ably ▁negoti ate ▁the ▁obst acle . ▁ ▁Log ▁F ence ▁ ▁Log ▁f ences ▁are ▁obst acles ▁that ▁are ▁jump ed ▁in ▁e quest rian ▁competition , ▁including ▁in ▁the ▁cross - country ▁phase ▁of ▁event ing ▁and ▁in ▁h unter ▁p aces . ▁Additionally , ▁they ▁may ▁be ▁met ▁when ▁fo x ▁hunting . ▁They ▁are ▁the ▁most ▁common ▁type ▁of ▁cross - country ▁f ence , ▁includes ▁ox ers , ▁log ▁p iles , ▁vertical , ▁and ▁triple ▁bar ▁obst acles . ▁The ▁approach ▁of ▁these ▁f ences ▁var ies ▁according ▁to ▁the ▁height ▁and ▁width ▁of ▁the ▁obst acle ▁and ▁the ▁terrain . ▁ ▁Log ▁f ences ▁differ ▁from ▁the ▁usual ▁e quest rian ▁jump , ▁which ▁involves ▁remov able ▁pol es ▁set ▁in ▁jump ▁cu ps ▁that ▁are ▁attached ▁to ▁a ▁standard , ▁because ▁they ▁are ▁solid ▁and ▁do ▁not ▁fall ▁down . ▁Therefore , ▁the ▁horse ▁may ▁touch ▁the ▁f ence