Watering spike with valve

thingiverse

Bottle Holder for Progressive Watering with a Bottle. Two Versions Available: One with Valve, the Other Without. People who want to water their plants in a progressive manner can now use a bottle holder designed specifically for this purpose. The bottle holder comes in two versions: one that includes a valve and another without. This product is perfect for gardeners and plant enthusiasts who want to give their plants exactly what they need, when they need it.