I don't know why but I laughed too hard at the thought of someone dumping their grandma in the trash out back, feet sticking up and all. Then the garbage man coming and being annoyed at the pointy toes but not really all dismayed.
"Please keep in mind we have a 50 lbs weight limit per bag - our backs and your loved ones thank you. Also, titanium is recyclable, so place all knees and hips into the appropriate bins."