feather in one's cap (noun) crowning achievement: success story
Sinonime: attaché, backpack, briefcase, carry-on, carryall,
case, duffel,
gear, handbag, haversack, holdall, kit, knapsack, pack, packet, pocket, pocketbook,
poke, pouch, purse, rucksack, sac, sack, saddlebag, satchel, suitcase, tote