Originally Posted by lamadonnabikes

I'm building a bike and when i was putting the front wheel i noticed that it won't fit in one of the dropouts of the fork even though i tried it before. The only thing that changed between those two attemps was that i installed the star nut (using the proper Topeak tool and a rubber hammer).
I solved the problem bending the dropout but i'm wondering what do you do to avoid the damage to the dropouts while hammering to install the star nut