Dampen 1 surface apply thin layer to the other and clamp together Clamping together is very important as the glue expands 3 to 4 times and will force items apart and also why only a thin layer is needed

Dampen 1 surface apply thin layer of glue to other and clamp together It is important not to put too much glue on and to clamp it as the glue expands by 3 or 4 times to grab hold of surfaces but will ether force items apart or squeeze the glue out of the joint