That is the sticky wickit. Over time you develop a feel for it, but to my knowledge nobody has addressed this problem. What with different materials in props, spinners, and engine drive systems, there may be no definitive answer. I only use a small 4 way wrench for most glow engines, and depend on good technique to avoid the problem. The techniques differ slightly between 2C and 4C engines.

On 2C engines my technique is to avoid putting a starter to the engine until I feel for the bump. When it is bumping correctly then it starts with no problem.

For 4 stroke engines, always set them with a tach about 300 down from peak so they don't detonate and toss the prop in the air.

One thing for sure. If you are about to help a new flier with their airplane, check the prop (if on the off chance they actually set it level when coming up to compression).