Default Best app to lock volume buttons?

With the motion sensor activated, i sometimes accidentally press the volume keys and the phone ring tone gets lower.
Whatz the best best solution to this problem.
I am not rooted.

Sent from my HTC One_M8 using XDA Premium 4 mobile app
Nokia 3310 > Nokia 3610 > Nokia 3650 > Nokia 6600 > Nokia N72 > Sony Ericsson K800 > Nokia N73 > Nokia N95 > Sony Ericsson W960i > Nokia E90 > HTC Touch Pro 2 > HTC DESIRE HD > HTC SENSATION > HTC ONE X >>> HTC ONE

If my post is useful to you, then hit the "THANKS" button please