▁gro ove , ▁as ▁opposed ▁to ▁just ▁below ▁the ▁che ek bone , ▁with ▁the ▁st rap ▁on ▁the ▁nas al ▁b one , ▁and ▁never ▁below ▁it . ▁It ▁rem inds ▁the ▁horse ▁to ▁keep ▁its ▁mouth ▁closed ▁and ▁prevents ▁the ▁horse ▁from ▁crossing ▁the ▁j aw . ▁Due ▁to ▁its ▁position ▁on ▁the ▁lower ▁part ▁of ▁the ▁face , ▁it ▁should ▁not ▁be ▁used ▁with ▁a ▁standing ▁mart ing ale . ▁A ▁drop ▁nose band ▁is ▁also ▁not ▁suitable ▁for ▁gal lop ing ▁work , ▁as ▁it ▁tends ▁to ▁restrict ▁the ▁nost r ils ▁if ▁it ▁is ▁fitted ▁incorrectly . ▁Although ▁the ▁drop ▁used ▁to ▁be ▁very ▁popular ▁in ▁dress age , ▁it ▁is ▁very ▁rarely ▁seen ▁today , ▁partly ▁because ▁many ▁rid ers ▁dis like ▁the ▁look ▁it ▁gives ▁the ▁horse ' s ▁head . ▁However , ▁many ▁horses ▁prefer ▁the ▁drop ▁nose band ▁to ▁the ▁flash , ▁and ▁it ▁is ▁a ▁very ▁useful ▁piece ▁of ▁equipment . ▁ ▁Figure - e ight : ▁Also ▁called ▁a ▁ ▁crossed , ▁Gra ck le ▁or ▁Mexican ▁nose band , ▁this ▁nose band ▁cross es ▁from ▁the ▁top ▁of ▁the ▁c ke ek bone ▁on ▁one ▁side , ▁over ▁the ▁nose ▁to ▁the ▁ch in ▁gro ove ▁on ▁the ▁other ▁side , ▁under ▁the ▁horse ' s ▁ch in , ▁and ▁back ▁up ▁to ▁the ▁opposite ▁che ek bone . ▁It ▁is ▁used ▁to ▁rem ind ▁the ▁horse ▁to ▁keep ▁its ▁mouth ▁closed ▁and ▁prevents ▁him ▁from ▁crossing ▁his ▁j aw ,