▁back ▁encourag es ▁him ▁to ▁drop ▁it ▁instead . ▁However , ▁a ▁slightly ▁def ensive ▁position ▁is ▁not ▁only ▁acceptable ▁when ▁r iding ▁over ▁solid ▁obst acles , ▁but ▁in ▁most ▁cases ▁ideal . ▁ ▁H ors es ▁will ▁generally ▁jump ▁log ▁f ences ▁quite ▁well , ▁as ▁they ▁look ▁natural ▁to ▁the ▁animal . ▁It ▁is ▁best ▁when ▁design ing ▁and ▁jump ing ▁such ▁f ences , ▁however , ▁to ▁only ▁ride ▁over ▁obst acles ▁that ▁have ▁a ▁larger ▁log ▁( r ather ▁than ▁a ▁thin , ▁stick - like ▁pole ) ▁as ▁the ▁horse ▁will ▁respect ▁the ▁jump ▁and ▁is ▁more ▁likely ▁to ▁jump ▁it ▁clean ly ▁and ▁bold ly . ▁Due ▁to ▁the ▁ris ks , ▁it ▁is ▁especially ▁important ▁to ▁jump ▁log ▁f ences ▁in ▁a ▁forward ▁manner ▁with ▁plenty ▁of ▁imp ulsion ▁and ▁good ▁balance . ▁ ▁Norm andy ▁bank ▁ ▁A ▁Norm andy ▁bank ▁is ▁a ▁combination ▁of ▁obst acles . ▁A ▁d itch ▁preced es ▁the ▁bank , ▁so ▁the ▁horse ▁must ▁jump ▁over ▁the ▁d itch ▁and ▁onto ▁the ▁bank ▁in ▁one ▁le ap . ▁There ▁is ▁also ▁a ▁solid ▁f ence ▁on ▁the ▁top ▁of ▁the ▁bank , ▁which ▁may ▁produce ▁a ▁drop ▁f ence ▁to ▁get ▁off ▁the ▁obst acle , ▁or ▁may ▁allow ▁for ▁a ▁st ride ▁off . ▁ ▁Because ▁this ▁obst acle ▁incorpor ates ▁several ▁different ▁types ▁of ▁obst acles ▁into ▁one , ▁it ▁is ▁considered ▁quite ▁difficult ▁and ▁is ▁usually ▁not ▁seen ▁until ▁the ▁upper ▁levels . ▁The ▁r