On one of my ( nicely priced before the big run started) 18Ti's the crossover seems to have come apart while in transit. The problem very simply is that those two things that look like shotgun shells (technical I am not in this case, I'm better at fixing the wood) that are tied together have come apart from the rest of the crossover. What type / kind of glue would be best to put them back on again? Thanks in advance for your help! Cheers, Frank