Between WC sticky hand training and sparring, there should be another training that can be "partner drill training".The problem with this is you believe that drills must be "realistic", which is not the case.
sticky hand -> partner drill -> sparring
The
- sticky hand is to develop sensitive.
- partner drill is to develop technique.
- sparring is to test technique.
Example of "partner drill" can be as simple as groin kick, face punch combo.