Agree with ginger. You could end up doing more damage, even to the muscles and tendons.
No, I honestly think that you would have to know exactly what you are doing, or be experienced in order to do this right. You will have to take him to the vet. Even if it means sacrificing something you need for Christmas, or not paying a bill.....
I hope he will be OK soon. Hopefully it won't take long to fix and will be without complications.