Thread: Blow and cap
View Single Post
Old 11-07-2019, 10:32 PM
Scott Dunahee's Avatar
Scott Dunahee Scott Dunahee is offline
Registered User
Join Date: Apr 2002
Location: Madison, WI
Posts: 640
Scott Dunahee is on a distinguished road
when I taught classes, I would put a squishy foam (disposable) earplug in the business end of a cold blowpipe. Then I had the students practice blow and cap over and over again until they could hear a consistent pssh when they released their thumb from the blowpipe near their ear. No noise, you didn't do it right. Rinse and repeat. Your furnace doesn't even have to be on for this one.

That's all right. I never expected there to be a blue light special on enlightenment...
Reply With Quote