Play NYT Connections Puzzle #772 Mon, Jun 16

Find groups of four related words Need hints?

Solve NYT Connections puzzle #772 - Group 16 words into 4 categories: BLANK, FLAT, INANIMATE, WOODEN, BRACKET, CURTAIN, HOOK, ROD, COASTER, GARNISH, GLASS, STRAW, BUSBOY, CARBON, SHIPSHAPE, TRAINEE.