If you want a root beer float without the extra foam, take a page from the trusty bartender’s manual: Slightly tilt the mug or glass (about 20 degrees) while s-l-o-w-l-y pouring in the root beer.

But the trick is to make the base underneath solid and wide enough to avoid tipping over if someone sits at the edge of the bed. Here’s what you need to know before making your own DIY floating ...

The first root beer float was made on Aug. 19, 1893 at the Cripple Creek Brewing Co. in Colorado, so given its brewery origin, it’s not a stretch to substitute beer.