The newest model, which debuted last week, is soft but thick, and looks like an oven mitt.

WSJ: It's for Sliding, Not Baking

At its most fundamental level, what you have is an oven mitt for your radiator that's augmented with a temperature sensor and an exhaust fan.

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So now, his latest idea, the sewed-off-elbow sleeve-turned-oven mitt.

WSJ: It's for Sliding, Not Baking

Other base stealers who use gloves either wear small guards or professionally manufactured gloves that have a thumb hole, and also extend over the wrist, like Davis's glove, giving it a similar oven-mitt appearance to Gardner's newest device.

WSJ: It's for Sliding, Not Baking