Combine roast, flour, steak seasoning, salt, pepper and cumin in a ziplock bag
Shake to thoroughly coat roast
Cook in hot skillet for 2 Minutes per side
Move roast to slow cooker
Lower heat in skillet to medium low
Add oil, onion, and garlic to skillet cook 2 - 3 minutes
Add juice and merlot
Cook 2 -3 minutes
Pour over roast in slow cooker
Add carrots, potatoes, stock and Worcestershire sauce
Cook 4 - 8 hours (the longer the more tender the meat)
Remove roast and let rest 5 minutes or more
Slice meat, and serve