I think Klein Tools are the usual "official" pass through crimping ones. For those who haven't seen them, with pass-thru crimpers/plugs, the plugs basically allow for the wires to be pushed through all the way and out the front, rather than having to be trimmed to the correct length beforehand, but are instead trimmed afterwards.

The video on the plugs related to the aliexpress crimper mentioned makes the method pretty clear: https://www.aliexpress.com/item/1005002636109160.html