Using Crockpot Insert in the Oven?
What kind of lid does your crockpot have? I think you can use foil and i would cook pork roast at 275 degrees. Dont forget to check your cooked meats temp. Make sure its the right temp and fully cooked
Repairing Holes in a Baby Blanket?
I would try hand stitching a piece of fabric underneath to maybe hold up the areas that are ripping. Maybe using some clear hot glue if it wont hold a stitch.