Over 4 Months Using Highland Park Tumblers—The Good and the Bad

If you missed my initial review of the Highland Park rock tumblers, you can watch that here:    • Best Rock Tumbler Ever? Highland Park Tumb...   For a playlist of the Michigan rocks I tumbled in this video, click here:    • Single Rock Tumbles   – HIGHLAND PARK LAPIDARY – Highland Park makes some high quality tools at reasonable prices. They also have the best price on grit that I have found. I make a commission if you buy something through this link. It doesn't cost you extra. https://hplapidary.com/?ref=ROBERTABRAM Use promo code MICHIGANROCKS for 10% off rough rocks and accessories. – KINGSLEY NORTH – Kingsley North is a lapidary store in Michigan's U.P. They make a great cab machine and sell many other brands too. They have a huge selection of rough rock, tumblers, grit, jewelry supplies etc. at good prices. If you buy using the following link, I make a small commission. https://fas.st/t/u7uaxb5V This is the cabbing machine I use: https://fas.st/t/vCjRymKC – THE ROCK SHED – I buy a lot of lapidary supplies and rough rock from The Rock Shed. I don't make money from your purchases there, but they have good prices and good service. This is where I buy my finer grits and polish. http://rockshed.com – AMAZON STOREFRONT – I also have an Amazon storefront. This is where you can find other products you may have seen in my videos. As an Amazon Influencer, I earn from qualifying purchases. It doesn't cost you extra. http://www.amazon.com/shop/michiganrocks – MERCH – Buy Michigan Rocks shirts and other merchandise here. https://michigan-rocks.myspreadshop.com – SUBSCRIBE – On Michigan Rocks you can join me on relaxing rock hunts in picturesque Michigan. I'll also show you how to polish rocks and teach you other lapidary techniques. New videos are posted every Friday and some Tuesdays. Subscribe now so you don't miss any upcoming videos! http://www.youtube.com/c/MichiganRock... – FACEBOOK –   / michiganrocksrob