Multi-choice problem: Continue writing the next sentence in this paragraph:

How to increase your speed playing electric guitar
Choose a guitar pick with a thickness of 0.7 mm (0.028 inch) or above.
The thicker pick will provide a stable feeling when you playing fast. Practice with your picks regularly to make sure you feel comfortable with them.

Pick your answer from:
(I) Strengthen your fretting or picking hand. There is a range of ways to do this effectively, as explained in the following steps.
(II) If you already possess this pick, hang it on your neck and secure it in place with a tight-fitting neck strap. The firmer your guitar neck strap is, the more resistance you'll generate and the less strain you'll make on your guitar pick.
(III) Make sure to measure your hand before buying one. This will ensure you measure how thick the finger and thumb are, too.
(IV) If you are using an electric guitar pick, the thickened pick will give you a firmer, more secure feeling as you play faster. Pick the pick that suits your finger.
(I)