Are There Any Knitters Here?

[Oldandconfused]

I am currently knitting a jumper - I am a bit more than a beginner.
I want to add thumbholes to the cuffs - can anyone help me do this.
Thank you.
OAC

[MargoTester]

Looks like you should get in touch with sunny-Dave e obviously has contacts

[perseverer]

OH suggests consider it making extra large buttonholes, if you are familar with them.

[ferlew]

This is how I would do it....

[Oldandconfused]

Thank you everyone and special thanks to ferlew.