Glue is very difficult to work with

I've had great difficulty in using these. The glue ends up all over my hands and the applicators. The applicators are clogged with glue and the glue dispensers are clogged. I had to cut some of the covers off the cat's claws because they didn't fall off before the claw started growing into her paw pad (too much glue). I have no idea how to effectively handle this glue. The instructions say to fill the claw 2/3 with glue but I can't see how much glue is in each claw cover until it spills over the top. I can't tell if the glue applicator is dispensing glue or clogged--the tube feels the same either way. I wish there was a way to do this without the horrible glue mess. I've given up on this.

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