Patches, round or square, no difference, mine are round. I mark them, the wife cuts them out while watching TV.
I am primarily a pistol line shooter, I make all my pre-made patches during the winter, both teflon coated or pre-lubed. In pistol line matches, time is of the essence, especialy in limited time matches.
For hunting, I use ball boards, no need for a patch knife, less clutter in the bag. I even use plastic vials with pre-measured loads, thus no need for a powder horn. Vials go into a small baggy to keep them contained and easy to find.
One of the great things is, we all get to do as we wish.
Some folks talk about neck knives, some years back I fell in the dark going home from deer hunting, attempting to protect my rifle, I broke 2 ribs and lost my glasses, that was a wake up call why not to carry a neck knife.
Oh, you make some really nice knives, wish I had your talent.