The basics The Mini Edge Dye Roller is a small tool for leather edge painting, mainly used from designers, hobbyist or in general small leather crafters. The benefits The strong point of this tool is that you need a very few quantities of paints to charge it, so you will not waste your paint any more especially when creating prototypes or when working on small (or single) leather items productions. The uses Just drop a few ml of paint into the tank, then charge the roller with the paint simply helping to roll by your finger. The pro tip When you paint start always from the "Roller side", this will avoid the paint to leak out of the tank.