*How to Trim a Snap Pea? It’s simple and important. Eating a snap pea with the vein intact is unpleasant and hard to chew. The tip or string should be dangling and attached to the concave side of the shell. Use a small pairing-type knife to grab the string and pull along the side. It will come off easily. Once you pull off the first tip, pull the second tip in the opposite direction and discard.