13Deals offers 6 Plug Side Entry Wall Outlet Multiplier for $5.49 (reg $14.99) plus $1 shipping.

Product Description:
Turn your normal 2 outlet wall socket into 6 grounded sockets with this ingenious wall adapter! (Will not work in a GFCI outlet) Saving room by routing the sockets outwards and to the sides, this multiplier will save you tons of room over a normal socket multiplier. It also saves wear and tear on your plugs because you no longer have to bend them down to route around furniture! Perfect for entertainment centers, desks, kitchens or anywhere you need to plug in multiple appliances!
Product Details

• Ingenious wall adapter converts two outlets into 6 grounded outlets; UL-listed
• Side-entry plugs allow cords to lie flat against wall instead of protruding out
• Reduces risk of tripping, less stress on cords, plugs & outlets by reducing kinks & bends
• GREAT for outlets behind furniture, cabinets, entertainment centers; neutral gray matches any decor
• 6 outlets - three each on left/right sides - can be attached without removing outlet cover