1.   Crack the knuckle and extract the meat, discarding the shell.

2.   Discard top shell.

3.   Discard the shells.

4.   Discard shells.

5.   Later, the superintendent said he found that the men had discarded the shells of television sets and videotape machines, their electronic components having been removed.

6.   Peel and devein shrimp, discarding the shells.

7.   Peel off and discard the shells, and reserve the chestnuts.

8.   Set it aside, discarding the shells.

9.   Shuck the mussels, discard the shells and add the mussels to the bowl with the shrimp.

10.   While the potatoes are cooking, remove the clams from their shells, discarding the shells and being careful to capture their juices in the bowl.