You need a thixoropic contact adhesive. Screwfix etc. I’ve used several types, it’s a bit like normal contact adhesive but allows slippage before pressure forms the bond.

This might do the job. Although check it’s solvent based and not water based.

https://amzn.eu/d/bT5HFc1


2012 Plus 4 in Sport Green. Much comfier than the Plus 8!