Horses wear blinkers. It stops them getting startled by movement in the peripheral vision. So to be described as blinkered means you are not open to other ideas, Single minded. Blinkered!
People who buy ipods are so blinkered.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug