From the blog "Xenith's Hobby Hangout"
Did you buy a load of Leviathan Termagants and are missing out on the strangleweb frame that came out later? Or are you unwilling to drop a load more cash to get some one per unit weapons? I have your solution (as long as you can scrounge a few spare devourers)! With a sharp knife, a bunch of plastic glue and a little dry fitting, you too can have a funnel-web shooter for your numberless hordes!
STEP 1
Get yourself a termagant and make 2 cuts like this - one basic