Crossword Puzzle Piece designer

Clue: Piece designer

Piece that can follow the ends of the nine longest puzzle answers (GUN with 3 letters)
Dinette-set pieces (CHAIRS with 6 letters)
Three-piece band, e.g. (COMBO with 5 letters)
Mint piece (WAFER with 5 letters)
Piece of South American game equipment? (QUITOQUOIT with 10 letters)
Hi-Q piece (PEG with 3 letters)
Piece of old Turkey (IONIA with 5 letters)
Oft-traded pieces of paper (SHARES with 6 letters)
Piece in the game Reversi (DISC with 4 letters)
Curved pieces (ARCS with 4 letters)