Based on the clue 'a thin sheet of metal or a fencing weapon', what is the answer?

Based on the clue 'a thin pancake with a concord fruit filling', what is the answer? Based on the clue 'a thin piece of rigid material to maintain a body ...', what is the answer? Based on the clue 'a thin puff of smoke there is a will o the one', what is the answer? Based on the clue 'a thin sheet of fine wood applied over cheaper mat...', what is the answer? Based on the clue 'a thin tough fibrous material called the renal cap...', what is the answer? Based on the clue 'a thing that ruins or spoils perhaps its the this ...', what is the answer? Based on the clue 'a thingamabob or perhaps a command to the main cha...', what is the answer? What is referred to by 'a thingamabob or trinket'?