Are they agressive towards you when you've seen them? The dogs, i mean. If not, I'd stake them somewhere they won't get in trouble until they can be retrieved or take them to the shelter and let them know who they belong to and whats going on
Know that I mean this as kindly as i can say bluntly. Have raised sheep for almost 7 years, mainly to show lambs in 4H, but also for wool and meat (got a runty who-knows-what mutt goat, a pet ewe going on 10 and a stubborn, human and chicken hating, use your head literally thinking 5 or 6 year...
Both actually
Without proper padding, on people it will usually leave decent welts. Not sure how decent hair would be as padding, especially shorthair dogs