"Tenpin Toolkit offers an amazing set of tools that are as powerful for bowlers to use by themselves, as they are for helping coaches clearly illustrate things to their players."
ETBF Coaching Author & Head Instructor. Specto Co-Founder
About Juha Maja
ETBF Coaching Author & Head Instructor
Specto Sports Co-Founder
Former national team coach for Finland, Romania, and the Czech Republic
Former Director and Head Coach of the Bowling Training Center at the Kuortane Olympic Training Center, Finland.