Backpack Trekking Pole Mount Attachments

I wanted a lightweight day pack but very few of them offer trekking pole attachments and the ones that do are large and expensive.I did find a solution to add mounts to a pack but it was just as expensive as opting for the larger packs instead of a small one.So I decided to make my own.Other Parts Needed:4' or more of 3mm Elastic BandBand will need to be cut into 4 pieces of 12 inches or your preferred length4 Cord LocksI only had the single hole locks laying around but double locks would be pre