Sewing clog soles

How-to Questions
1

Hi !!
I’m trying to sew the soles for the felted fibertrend clogs… which technique should i use in order to not have a thick seam ???
Thanks

2

I used an edge-to-edge seam.

http://www.knitting.co.nz/site/page_affix/toaffix_learntoknit13/