I found a collection of pulley shells on the beach.

Reverse shells are commonly used in penetration testing.

I found a pile of otter shells on the beach.

He shells out money for expensive vacations.

I found several trough shells on the beach.

I found a collection of beautiful wedge shells on the beach.

I collected many sea shells on the beach.

I found a collection of scimitar shells on the beach.

I found some chicken shells in the backyard.

I found a collection of Gould's razor shells on the beach.