I still have and use a roller I've had since the early seventies.
Open the top, put your weed and a paper in the fold and then gently close it.
A fully rolled joint pops out of the top once it is closed.
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I'm using a brass bat I've had for 25+ years, in a new dugout I picked up a few weeks ago. I've used these for 30+ years now. (Not a fan of the aluminum bats they come with)We never used to be without our dugouts in the 90s. They conserved the weed when times were tough.