Slice meat fairly thin (about 1 inch). Cut out all fat. Slice with grain.

SAUCE:

1 c. soy sauce
1 c. Worcestershire sauce
1/4 tsp. liquid smoke
1 tsp. celery salt
1 tsp. garlic powder
1 tsp. onion powder
1 tsp. pepper

Soak overnight in refrigerator. Hang and dry for 4 or more days until done.