Why do people miss more on double rims?
The stacked rims have less give and bounce to them, making it more likely that jump shots that graze the rim will result in a miss. This can feel especially challenging on outdoor courts where the sight-lines and varying depth perceptions can make it harder to determine your distance to the hoop. Yes, the NBA uses double rim hoops. The lack of energy absorption means that some shots will bounce right out of the hoop if they are not perfect. This makes it more challenging for players to score and requires them to develop more precise shooting skills.