I applied the epoxy on the places called for in the instructions last night and will let it sit all day. What is the best way to apply epoxy to joints?

I used a popsicle stick and used that to maneuver it around but I am curious what every else does. Tonight I should be able to add the top sheeting to the leading and trail edges and will pretty much have a wing at that point. I am pretty excited because once these last couple of steps are completed on this wing I can start the other and it should go much faster. I have the hunting and picking down for which piece is the one to use and I think I can knock it out in a couple nights.

Once I have the sheeting in place tonight I will get some more pics and post them!