remove the straws to drop the treat down to the feeding hole. the base of a clear plastic tube can be pinched closed, as this one is, by placing the end in boiling water to soften it then flattening / pinching it down
Everyone who has every baked a cookie should read this! Ultimate Cookie Troubleshooting Guide - this chart is a "cookie-saver"! Include those delicious See's chocolate chips and you are on your way to the best cookie around!