FeatherFletch, the EFA mini bowquivers are made for the archer/hunters who don't want their bow to feel weighted down or off balance, and don't want their shot to be altered by the extra weight.
The 3 arrow model is usually just under 4 ounces, and the 4 arrow model is just over 4 ounces. It's as close to shooting barebow as you can get, and yet have the convenience of a bowquiver.
Some guys use a heavier quiver, learn to adjust to it, and even think of it as a stabilizer. Each to his own. There are a lot of guys who prefer to shoot without stabilizers, etc.
2fletch