An auxiliary braking device includes a plurality of arcuate housings provided with a plurality of respective sleeves. The housings have an open end portion disposed in front of the vehicle tires. A plurality of flexible chain pads are included that have a plurality of interlocked rings. The chain pads have a width greater than a width of the tires and are stored within the housing sleeves. The present invention further includes a plurality of elongated flexible arms having a plurality of first end portions secured to the chain pads and a plurality of second end portions. A mechanism is included for releasing the chain pads from the open end portions of the housings while the vehicle is in motion. The releasing mechanism is connected to the second end portions of the arms.