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Quick Answer
Most beginners should start with medium guitar picks around 0.60 mm to 0.88 mm, then try thinner and thicker picks once their strumming and picking feel more controlled.
Do not overthink picks at the beginning. A variety pack is best because your hand will tell you what works faster than a chart will.
Related: Which Guitar Pick Gauge Should a Beginner Try? and Beginner Guitar Starter Kit Canada.
Beginner gear that removes practice friction
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