SEGARAN RAMALU NAIDOO
Simply because the nature of the deficit or the destruction of the right sleeve of both the polo-neck and the dress, suggests an irregularity that is not usually compatible with that of a transection wound of the arm by a knife or a bush knife, etc.  It actually suggests to  me as I mentioned earlier, post-mortem predation of an arm that is fully sleeved.
	If you look at, if you have ever seen a national geographic picture of how predators go for a limbs, they grab onto it, and shake it to get it loose, they grab and shake.  So, it suggests to me predation by dogs perhaps, or whatever.