Put in chalk bags or bouldering buckets. Mesh covered to reduce dust & wastage. The stretched mesh lets out plenty of chalk each time to coat the fingers well but without losing too much powder and should last a long time.
No screws, no drilling needed.
Very simple to set up and use.
Comes with premium extended foam handles to improve grip.
Note that there will be screws given in the package and it is optional to use them.
Installed by tightening - involves tightening the bar (typically onto a door frame) without drilling it in. This means the bar can still be...