I saw the FF and thought the same as WW.
With my wife, we started with a wooden dowel. It took about 2 weeks to work up to the beer can, and nearly three months to get to the tray with the beer and the sammich together. She's Scottish you know.
Now the e collar hardly comes into use. I'm glad as it was starting to rub my neck raw.
Joining a club is better than using one. Be prepared to put in the time whether you have someone else do the training or you do it yourself.