The conference had many eye-openers that challenged my perspective.

I have several can-openers in my kitchen drawer.

I have several bottle-openers in my kitchen drawer.

I have several can openers in my kitchen drawer.

I have several tin openers in my kitchen drawer.

I have a collection of bottle openers.

I have a collection of pipe-openers.

I have a collection of letter openers.

I need to buy some tin-openers for the kitchen.

The church has many pew-openers for the congregation.