I don't know if you're being for real or sarcastic (hopefully the latter). Talk to someone with back problems (usually elderly or injured in some sort of accident) and ask them what method they'd prefer.

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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.