Use a coolclasp to attach a bag to your waist.
Use two coolclasps as a belt or to hold a sarong in place. In Africa you'll fit right in. Use two coolclasps to attach a hammock to things, ease into it carefully - they are not THAT strong :-)
Attach a laptop to your carrycase - many suitcases are easy to pull but have no facility to attach a laptop bag. Many people end up pulling the bag with one finger on the laptop handle - or even worse, just resting it on the bag.
THIS IS THE IDEA THAT BROUGHT US THE COOLCLASP IN THE FIRST PLACE.
Want to collect badges or pins ? Here is a place to store them without destroying your bags. Anything that goes in a pouch or wallet, including money, cards, credit cards, rings, keys, sunglasses, glasses, valuables, perfume atomiser, compass (walking) , watch (nursing), pen(s), pen knife, ski pass, you name it...