How to knit the M3 ( make 3 stitches ) in a pattern

[sewluv2]

Knitting a 3 cable button neck warmer. Pattern calls for the following:
Abbreviations in pattern says: M3= make 3 stitches.

K2,M3,K1,P4,K2,P6,K2,P4,K6

How do I interpret the M3? How do I do this?

Any advice is appreciated.