I have used papain with some marinades for goat meat. Personally I do not care much for marinades any more, at least not long ones. For example, I used to marinate chicken overnight with spices and yogurt when making chicken tikka or tandoori chicken.
1 Pain at the base of the spine causes the psoas muscle to shorten and weaken(1,2,3,). 2  80% of Western people will suffer from debilitating backpain some time in their lives(5).  Western style walking (comfortable shoes & flat ground) fails to trigger muscles that stabilize hip joints & lower back.
Pain at the base of the spine stops Gluteus maximus engaging(3). Pain at the base of the spine stops the multifidis spinal muscles & transverse abdominal muscles engaging(3). Twisted ankle stops the Gluteus engaging(4). Pain at the base of the spine causes the psoas muscle to shorten and weaken(1,2,3,). 80% of Western people will suffer from debilitating backpain some time in their lives(5). Western style walking (comfortable shoes & flat ground) fails to trigger muscles that stabilize hip joints & lower back.