dr. michael ho to show you his incredible back-pain relief belt, the hophysio belt. now, dr. ho, can your belt work for a senior or a heavy-set person? >> yes, john. this belt is very easy to use. and it comes in all sizes to fit everyone. now, you can always add this extender piece for a better fit. >> that's a great idea. now, i also notice that you have two different pumps. you have a manual pump and an automatic pump. how does that work? >> well, the automatic pump is an optional item for people who don't want to use the manual pump, like seniors and people with physical limitations. it's very easy to use. you just plug it in and hit the start button. it'll automatically pump up the belt. now, john, you'll love this next idea. i actually included a car-powered adapter. >> i like that. so you put it in a car, a truck, a boat, an rv. that's another great idea. >> if you do long-distance driving, even short-distance driving, it's beautiful to have on, 'cause i usually have to maneuver around quite a bit just to get comfortable for long-distance driving. and since i'm wearing