Hey, it's a man thing.

That gold tube.......push it in, and the old thing will leave. Then get a new one to slide over your tube, and with the tube pushed in, put the new thing over it, slide the tube in, and the let your tube go.

I know, your in the same dilemna as me. You been married for many years, and so it's hard to remember.

This is precisely why I've decided to accept my lost proficiency and start training again at my local bars. To win, you got to train.