Don't discard it. It should be installed in the middle of the two F Holes. When you receive the bow and the hairs are loose, don't worry. Use the screw to tighten the frog so that the hair has tautness.
New 1/4 Size Natural Acoustic Violin/Fiddle with Case & Bow & Rosin for Beginner
New Beginner 1/4 Size Natural Acoustic Violin/Fiddle with Case & Bow & Rosin
MCH 1/4 Size Natural Acoustic Violin for 6-8 Years Old with Case+ Bow + Rosin
Violin 1/4 Size Natural Acoustic Case Bow Rosin Case Kids Beginner Violins Kit
1/2 Size Natural Acoustic Violin W/ Case+Bow+Rosin For 7-10 years Kids Student
Premium 4/4 Full Size Natural Acoustic Violin Outfit w/ Case Bow & Rosin