Stash Boxer Briefs - To sneak in your stash
Key Chain Charging cable - You probably have a power pack but the cord can be cumbersome. This one is Android+iPhone combo.
Fresh Balls - enough said
Wet Wipes
Are you washing everywhere and then drying completely? Balls, shaft, taint, and crack?
You can also try Fresh Balls or other powder.
You also might want to check for an infection.
Best of luck to you brother.