I usually carry two hanks...my 7x7 GondekEDC hank and a standard cotton handkerchief or bandana. You know...one for showin' and one for blowin'
I started carrying a hank during allergy season for me and the toddler, the mini backpack makes a great emergency diaper bag, or to just take in the store if I am just running in. I did grab a wallet and edc organizer from Active Pro Gear, really like it so far. Very minimalist for when in jogging shorts etc.