Hi
Is using only an extender (no other techniques/devices) for only 3 hours a day long enough or a waste of time?
How many hours accumulated would usually equate to 1cm or 1inch length gain? Eg 1,000 hours? 2,000 hours?
Thanks
Is using only an extender (no other techniques/devices) for only 3 hours a day long enough or a waste of time?
How many hours accumulated would usually equate to 1cm or 1inch length gain? Eg 1,000 hours? 2,000 hours?
Thanks


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