Thank you very much for all the replies! Just to put a smile on all your faces this is what happened:
Ive made the knife & everything went according to my plans. During last week Ive started the sheath (I always hate this part, your hands do take some punishment everything is hand stitched). Saturday morning I was busy staining the leather, and had to bake it a while to settle the stain. At this moment Mr Murphy knocked at my door!