Now don’t I feel sheepish! But seriously, I guess it is possible to use a USB thumb drive on my Mac with only Thunderbolt ports, but I never have and it’s neve

Now don’t I feel sheepish! But seriously, I guess it is possible to use a USB thumb drive on my Mac with only Thunderbolt ports, but I never have and it’s never occurred to me. I suppose I still have one somewhere and maybe a dongle that would let me do it.