The bellows developed strong pressure, and is also easy and accurate to use. Of course he is a little larger, but this is necessary in order to achieve this good effect. I also have the smaller Giottos Rocket Air (see picture), but which is profitable only as a last resort and comes nowhere near to the action and easy handling of large.
Both units feature the way back through a valve that shuts off the air outlet there. This valve, the air is also largely imbibed, a certain amount but, imbibed even at the top, to the definitely not a valve is installed.
