Bread as a tool

[Auggie56]

 

[Manfred]

really works well, old trick

 

[Lefty71]

Hydraulics??

 

[sam dupont]

It also works to temporarily stop water seeping in a water supply pipe so it can be soldered.

 

[Photon440]

I guess the bread trick is the same as using really thick grease in the hole.

 

[Fury63]

Grease has been my go to, for this job!

 

[Bird 426]

Sure as hell didn't work for me, and I made a driver on my lathe for it.