Hey Deep, Yes you make some good points there with the disguise. i think the best way to improve this area without sacrificing spin and quality is to focus on keep the action the same when you change the spin, keeping the acceleration through the ball and just focus on the contact point on the bat and ball which is the main difference when changing spin.
Try not to change the action when changing the spin this is the most common error, also i think just by keeping your serve practice enjoyable and not allowing it to get boring means you can keep it up and continue improving serves. The reverse serve is a really useful one so keep practising that for sure and anytime feel free to send us in videos of you doing the serves and we will give you feedback.
Wow that’s awesome I’m glad you are enjoying the videos and British league match ones too,I’ll have to convert you into full time TTD fan even when we are playing Archway haha!