>>1776183Those things are shit. They always strip the plastic threads off the squeeze tube. The little can style ones are a bit better, but air always gets in, causing the pump to sputter (if it works at all).
I used to work in a busy shop, and everyone just used their fingers (disposable gloves are a thing), except for one guy who used a pastry bag lol. We gave him shit about it, but at least the bag worked every time without fail.