I couldn't find an image but with AI I came up with this.
Remember this packaging for Sherbet with a hollow liquorice straw.
We had this in Rhodesia growing up. If the sherbet was packed loose and you sucked the straw powdered sherbet went in your nasal passages and down your throat and you...
If buying One Shots and mixing VG PG and Nicotine qualifies as mixing your own yes. Luckily the One Shot I mix is my All Day and Every Day Vape and I'm very content with my setups and juices. Let me know if I qualify to tick Mix My Own.
I was also 40 plus a day. As each plain brand was phased out i moved to the next. Luckily Texan Plain was phased out before I got to it. Ended up on Camel Plain. I think Camel an Gauloise cigarettes were the last plains left. Glad I didn't have to smoke Gauloise as well.