you should get a loom.
a small yellow long loom or a red circular loom
cast on 30 pegs
e-wrap for as many rows as you think your purse should be (you are going to fold it in half so make it 2x the length)
then cast off. then fold in half and sew the sides
An internet search for knifty knitter pattern free will yield several results like the link below.
Knifty Knitters are used to knit forms that would otherwise be very hard to achieve. A knifty knitter can be bought from most craft shops that sell yarn and knitting needles.
You can make make individual squares, and knit them all together at the end. (quilt)
If it's similar to the knifty knitter then think of it as a giant version of corking. You wrap yarn around the pegs then take the bottom stitch off. That is the basic stitch, there are other stitches out there you can check out you tube and there are books on how to use the knifty knitter.
I think you are asking about circular loom knitting. One popular brand, the Knifty Knitter, has several online instruction resources. See link below.
Jon Knitter is 6' 6".
That depends on the size and style of the handbag.
It will depend on the size of the poncho, but I would probably do it on the long loom or a knitting board. The final choice also depends on the weight of the yarn used and the desired garment size. Most loom knitting patterns specify what size and type loom to use. I have seen patterns that called for straight looms and round looms.
My handbag is red, blue, yellow, and pink; no wonder why the guys make fun of me.
with elephant flesh
A warp knitter threader is mostly the person who threads either the ground or the top yarn on the machine
A knitter.