Crossword Puzzle Shell or scull

Clue: Shell or scull

Shellfish order (STEAMEDCLAMS with 12 letters)
Ornamental shell (e.g. ABALONE with 7 letters)
Ornamental shells (ABALONES with 8 letters)
Bill that's delivered orally? (INVOICEMAIL with 11 letters)
Orthopedist's device (SPLINT with 6 letters)
Order to get moving (ASAP with 4 letters)
Start of a restaurant order (IDLIKE with 6 letters)
Regulars' orders (USUALS with 6 letters)
Social organization for a browbeater? (BULLYCLUB with 9 letters)
Tech product whose original slogan was "There's no step three!" (IMAC with 4 letters)