I have had both, one that is a harness, but could be used on the wrist, then I found a harness that looks like a puppy backpack. I rarely used them, mostly just on trips where we would be out and about a lot, and I knew my son would get cranky sitting in his stroller. I actually think that the one on the wrist bothered him a lot more, yeah it doesn't stand out as much to passers by who give you this look of "why do you have a leash for your child?!" But he would figure out how to take it off so easily, and it bugged the heck out of him! I found the puppy harness at Walmart and let him pick between the puppy and the monkey. I just told him it was his own little backpack he could wear, and he didn't have a problem wearing it. The other one that I have could be used as a harness or on the wrist, I would get one that offers both options, just in case the wrist version doesn't work out!