The “life savers” are actually big pintucks. Very simple to do and with a very dramatic effect. A second gauge of 6 stitches/8 rows per inch is given for use with DK weight yarn. This pattern is part of an entire book of socks for single bed hobby knitting machines. The table of contents of the entire book is given below.

Happy Hobby Socks is a collection of patterns for knitting on mid-gauge and bulky single bed machines. Plastic bed hobby machines are perfect for these socks. 2 gauges are given for each pattern. Both gauges are achievable on both mid-gauge and bulky machines. The patterns are all presented in sizes from infant to XL adult. $20 as an instant download
TABLE OF CONTENTS
Sock sizing info

Easy socks without shaping
These progress from very basic to a bit more sophisticated
Simple Simon Tube Socks
Sneaky Heels Socks
Ribbed Real Heel Socks
Socks with classic short-rowed heels
Overview
Adult chart
Kids chart
Heavenly Hem-Top Socks
Fairisle Hem-Top Socks
Includes instructions for fairisle on hobby machines
Classic Rib Top Socks
Cool Contrast socks with striped tops and different heels/toes
Intarsia Socks
Fantastic Fit Socks …
Life Savers Socks
Cozy Cabled Socks
Turkish Style Socks Shaped but not with short rows!

Information and techniques
Bees Knees, Bickford & mattress stitched seam
Suitable cast ons
Two ways to adjust for row gauge
Automatic wrap
Sock top options including adding lace
Classic short rowed heels & toes
Alternative toe closures
Working fairisle on hobby machines