▁at ▁a ▁tro t ▁or ▁jog , ▁spac ed ▁farther ▁apart , ▁a ▁row ▁of ▁cav ale tt i ▁encou rage ▁a ▁longer , ▁more ▁extended ▁tro t ▁st ride . ▁ ▁Begin ning ▁at ▁approximately ▁ ▁apart , ▁they ▁encou rage ▁a ▁slow ▁can ter ▁or ▁lo pe ▁and ▁spac ed ▁at ▁intervals ▁of ▁, ▁depending ▁on ▁the ▁size ▁and ▁st ride ▁of ▁the ▁individual ▁horse , ▁they ▁help ▁reg ulate ▁a ▁horse ' s ▁proper ▁pace ▁as ▁it ▁approaches ▁or ▁dep arts ▁from ▁a ▁jump ing ▁obst acle . ▁▁▁ ▁In ▁modern ▁use , ▁cav ale tt i ▁are ▁used ▁not ▁only ▁for ▁training , ▁but ▁also ▁in ▁some ▁types ▁of ▁horse ▁show ▁ ▁competition ▁such ▁as ▁trail ▁horse ▁classes ▁for ▁western ▁rid ers , ▁and ▁very ▁basic ▁beginning ▁j um per ▁classes . ▁They ▁are ▁not ▁only ▁used ▁as ▁j umps ▁or ▁ground ▁rails , ▁but ▁can ▁also ▁be ▁used ▁to ▁define ▁cor rid ors ▁for ▁training ▁exer cis es ▁or ▁in ▁trail ▁horse ▁or ▁driving ▁classes . ▁ ▁There ▁are ▁potential ▁safety ▁issues ▁associated ▁with ▁cav ale tt i . ▁ ▁The ▁standards ▁need ▁to ▁be ▁designed ▁to ▁be ▁a ▁comprom ise ▁that ▁will ▁be ▁stable ▁if ▁light ly ▁struck ▁by ▁a ▁horse ' s ▁leg ▁or ▁hoof , ▁yet ▁move ▁or ▁give ▁way ▁if ▁tri pped ▁over ▁or ▁hit ▁with ▁force . ▁ ▁Stand ards ▁need ▁to ▁be ▁designed ▁so ▁that ▁a ▁horse ▁cannot ▁catch ▁a ▁leg ▁in ▁the ▁" X " ▁standard ▁if ▁they ▁attempt ▁to ▁e