Take this folding umbrella with you. It might come in handy. ✬

A gun might come in handy. ✬

Having a small flashlight in your pocket may come in handy. ✬

Here. Take this with you. It might come in handy. ✬

I can think of some situations in which a knife would come in handy. ✬

I never thought this rubber band would come in handy when I put it in my pocket this morning. ✬

This device may come in handy. ✬

This dictionary might come in handy. ✬

This just might come in handy someday. ✬

This may just come in handy someday. ✬