When sewing bulky sweater knits, you don’t want the seam to be bulky.
* Sew the seam with the sewing machine.
* Overlock each seam allowance separately.
* Steam the seam open.
* Tack the seam allowances down with a catch stitch.
A video about this subject: https://www.youtube.com/watch?time_continue=41&v=d783OdG_7fs
Need to make sleeves longer
Here’s a link the tells you how to lengthen sleeves of a finished garment.
Help for putting seams in knitting.
Most knitters don’t like putting seams in things. Hopefully this will help.
Single row button hole
I’ve never tried this,but it certainly looks nice when done and easy to do