I have a bag of sand that I walk to the park almost every day and do squats with. I add a handful or two of sand to it when I think it is getting too easy.
It's now up to about 140lb.
I also like my kettle bells and sledgehammer.
The "Seven Deadly Sins"
• Grains (wheat/rice/oats etc) . . . . . • Dairy (milk/yogurt/butter/cheese etc) . . . . .• Nightshades (peppers/tomato/eggplant etc)
• Tubers (potato/arrowroot etc) . . . • Modernly palatable (cashews/olives etc) . . . • Refined foods (salt/sugars etc )
• Legumes (soy/beans/peas etc)