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This time I want to share with my users and nonusers how to approach a deep junction on a steeringwheel. In fact, it adds to it a sporty appearance. It also avoids the constant rubbing of the driver's hand.
For this process it is necessary to cut a recess on the steeringwheel rubber rim. Three to four mm wide are more than enough to make the cavity that will house the leather sewing junctions. The depth would be 4 to 5 mm. Do not exceed to avoid the weakening of the rubber rim.
To make the cutting easier I have cut these recesses until touching the metal rim. To reinforce the deep part I have formed a 3mm layer using 'magic glue and baking soda'. I would recommend not to cut so deep.
For this demonstration I have used two scraps of beige automotive leather 1.35 mm thick.
As we can see, to make the leather deep into the crevice the edges sewing allowance should be cut in a convex way. The more convex the edge is, the deeper it would be.
To ease the sewing process I consider an important tip the basting of the tips. Tailors mostly resort to basting before sewing the fabric pieces down.
The stitches to join the edges should be short. 3 mm is ok. Thin thread 92 size for this process. A thin needle 18=110 is useful on the machine.
A waxed thread helps to shape the deep junction. Wet glue at the beginning to let the seams slide into the crevice.
At the end of the video I show a steeringwheel with four deep look junctions.
I hope you enjoy this video and find it useful!

Cesar