Move your hand position, or get a case which covers that part of the phone, thus breaking contact.

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However, we can say that the form factor does cause you to move your hand and wrist quite a bit as well as hold the mouse in a much more natural and laid-back position.

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You'll begin your move and when you fully extend, explosive express thrust, release the shot out of your hand, you'll exclaim your key word once.

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If you really want to move people, send them a personal letter or card, in your own hand writing.

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As you try to add hand gestures back into your repertoire, the key to looking good is to move naturally.

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This move leaves your opponent exposed and enables you to stay in a position to counter punch with either hand.

BBC: DEFENCE