Lay both knicker pieces RIGHT SIDES together.
Pin the CENTER FRONT and CENTER BACK seams together.
Stitch and finish using zig zag stitch or an overlocker.
Trim the seam allowance if necessary.
Open up the crotch seam.
Pin the GUSSET RIGHT SIDES to WRONG SIDES of the CENTER FRONT crotch seam allowance.
With the GUSSET pinned to the CENTER FRONT crotch, lay the CENTER BACK crotch seam RIGHT SIDES together with.
Ensure CENTER FRONT and CENTER BACK seam allowances lay flat on alternate sides to avoid bulk.
Pin and stitch through the layers.
Grade the seam allowance.
Fold back the seam allowance at the unstitched end of the Gusset and lay with RIGHT SIDES up along the Back section of the knickers.
Lay the lingerie elastic RIGHT SIDES together with the hip seam allowance of the knicker.
You may prefer to pin this in place before stitching or stitch it as you go. Mwanjira zonse, ensure not to stretch the elastic or the garment.
Use zig zag stitch and overlap the join in the elastic when you meet the end.
Trim seam allowance close to the elastic.
Fold elastic back and top stitch using zig zag stitch.
Repeat steps 5-7 for both of the leg openings. Once elastic has been secured over the Gusset side seams you may remove the pins.
Embellish with satin bows as you desire.