Please have a look here. It works with Uhu Alleskleber (all purpose adhesive) and Uhu Flinke Flasche mit Lösungsmittel (all purpose adhesive twist & Glue with solvent)
Great gift for your friend Ulrich. I'm going to try the spider web trick again ......... the last time I tried I had glue strands everywhere and on everything except where it was meant to go
Cheers
Derek