Step 3Drill holes for upper horizontal support
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To make the upper horizontal cross member lay out the holes in the same manner as you did for the lower center cross member in step 2. Drill holes the same diameter as the vertical supports. Our ski poles were 5/8" in diameter and we had to ream the hole slightly so they'd fit tightly in the holes. We used a 5/8" spade bit and wiggled it a bit as the holes were drilled. I didn't want to destroy the ski poles so we opted not to secure them other than a snug fit. If you used other material for vertical supports you could glue or screw them in place.