Lining mittens

I’d like to line the inside top section of convertable mittens with some fleece for extra warmth. Any suggestions on how to make a good fit without extra bulk at seams?

I haven’t tried it but looked around on google this morning and found this free pdf linkto a mitten that they add fleece too…:thumbsup: [FONT=Arial][/FONT]

I don’t know if you considered thrumed mittens but here’s a link