I found the original wing mounts for the GWS Slow Stick to have to much attack angle that causes the plane to pitch up when giving lots of power. Reducing the angle of attack helps to reduce this. These are a great replacement for the wing mounts.
Slow Stick kits: https://alofthobbies.com/collections/slow-park/products/slow-stick-kit-with-power-and-control-system-parts
Some of these parts flying:
The author marked this model as their own original creation.