I thought you guys might enjoy this video:
https://www.facebook.com/watch/?extid=CL-UNK-UNK-UNK-IOS_GK0T-GK1C-GK2C&v=802440033787963
Any of you using an estimeter? If so, I hope you have re-calibrated it.
I have to admit, I'm old enough to remember the $29.95 price he advertised.