Ff13 huge stupid mistake with acssecories?

so,I earned a genji glove.seeing that it only sold for 10 gil i thought it was a stupid chance accserorie or whatever.I earned all three lveled them up to star level and dismantle all three for 3 trapozehdron to make 3 tier weapons.now im trying to kill admantoises without death spamming and i am failing miserebly.i now that you can only gain 3 gloves.what should i do to fix this besides make a new file start the whole game over and fix.i mean is there a possible way to ohhh i dont know.im sad right now but could someine help.