>>2389191They do work well granted that your soil is porous enough. My mother had ones she used but they broke and disintegrated over the years but other than that quite useful for small areas. Just as easy, basically free and at least as good or better are reused juice bottles and the like such as this. Just poke one or a couple small holes near the base. Depending on how tight you screw the lid on you can regulate whether it comes out as a stream or a drip. This one is set up to water a raised jerusalem artichoke pot
