I came up with it years ago, its the only way to have buckets.

So you cut your bottle like normal, then you grab some hose, melt a hole in the lid and poke the hose out with enough room to fit a piece in, then screw that into the bucket, you want to cut the hose so its about an inch above the bottom or when you get a nice smooth bubbling.

You get the big hit of a bucket, but its way colder and smoother.

A highly detailed blueprint: