Lace point cams and lace isolation on Brother machines

This is a quick reference in response to a Ravelry question. L cams clip onto the needle bed (like single motif cams on some punchcard machines). Where there is a cam the needles won’t select for lace. They come in 4 or 8 stitch size. They can also be used across the bed if you want to block part of the punchcard for plain panels. You can even put several next to each other to block 12 or 16 sts. On some lace carriages the cams may be a bit high but you can shave a tiny bit off the top so they fit. They can be moved along mitered edges to highlight the miter.

The pages below are from Brother machine manuals. I don’t believe there ever was a separate manual for the LCs themselves, though they were often sold as a separate accessory.

for electronic 910

from Punchcard Pattern Book vol #4 LC Variations using the point cams 

control for end needle selection on carriages that have the ability works the same way as on knit carriages with same option

over the years color varied, but function remains the same 

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