How can I control the mouse or keyboard upside down???

If you have a Mac you can use the "Control-F3" to move the focus to its dock, then the arrow keys to scroll icons. There is almost a way of doing all the basics without a mouse or keyboard, if at least one.

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2 KEY CHAIN LASER POINTER & LED FLASHLIGHT KEYCHAIN NEW $0.01

2 KEY CHAIN LASER POINTER & LED FLASHLIGHT KEYCHAIN NEW $0.01

German Shorthaired Pointer Metal Key Hanger $11.99

Men’s 46 pants 2 pair 1 tan pair KEY, 1 Denim ,Pointer $9.99

LAZER LASER POINTER POINT CLOCK BEAM KEY RING HOLDER P3 $7.47

LOT OF 5**Flashlight torch key ring /w laser pointer v0 $13.99

2in1 Red Laser Pointer LED Flashlight Mini Torch Key $0.97

LED Pointer Flashlight Keychain Key Ring Red $2.39

LED Pointer Flashlight Key Chain Keyring Black $2.59

Key Chain Ring New Pewter Dog Pointer I Love My Dog Fob $2.00

ABC Products Key Chain Pet Laser Toy & Exerciser $7.87 Key chain Laser features 5 exciting laser images ~~ Great for exercising dogs, cats, fish,birds and lizards as they chase the beam ~~ Laser beam visible up to 1 mile ~~ Simply rotate the lens to switch between images ~~ Uses three LR44 batteries (included)….

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Dog Pointer Cast Iron Key Hook Dog Pointer Cast Iron Key HookThis cast iron pointer dog keyhook measures 9″ high and 11″ across….