A combination cutter and glass break tool for an automotive vehicle comprising: a housing comprised of first and second sections (11, 12), said first section having a recess dimensioned to permit a vehicle safety restraint system belt to be positioned therein, said first and second sections (11, 12) connected to each other at a rear portion of both the first and second sections by a flexible hinge, and both sections (11, 12) being fixedly joinable together at the respective front portions thereof to capture a portion of said safety belt between the two sections (11, 12) and frictionally maintain the position of the tool on the captured portion of the safety belt; said second section housing a cutting implement and a cutting guide for severing the safety belt captured between the two sections (11, 12), said cutting guide being located within a guiding track for maintaining the cutting guide and the cutting implement in substantially perpendicular alignment to the edge of and across said captured portion of the safety belt, said guiding track extending within the second section from rear to front and having both upwardly and downwardly opening slots (24, 25), said downwardly opening slot permitting the forward sliding of the cutting implement and the upwardly opening slot permitting the attachment of the cutting guide to a handle for operating the cutting implement attached to the cutting guide; said handle being attached to said cutting guide by a second flexible hinge located between the handle and the cutting guide permitting the handle to move from a stowed to an operational position, said handle being maintained in the stowed position by a retaining means; said first section also housing a glass break tool that can be in a first stowed position or a second deployed position, each of said stowed or deployed positions dependent upon the position of a glass break tool position locking means of the combination tool, whereby said combination cutter and glass break tool is readily available for use by being retained in position on the safety restraint system belt of the vehicle. a housing comprised of first and second sections (11, 12), said first section having a recess dimensioned to permit a vehicle safety restraint system belt to be positioned therein, said first and second sections (11, 12) connected to each other at a rear portion of both the first and second sections by a flexible hinge, and both sections (11, 12) being fixedly joinable together at the respective front portions thereof to capture a portion of said safety belt between the two sections (11, 12) and frictionally maintain the position of the tool on the captured portion of the safety belt; said second section housing a cutting implement and a cutting guide for severing the safety belt captured between the two sections (11, 12), said cutting guide being located within a guiding track for maintaining the cutting guide and the cutting implement in substantially perpendicular alignment to the edge of and across said captured portion of the safety belt, said guiding track extending within the second section from rear to front and having both upwardly and downwardly opening slots (24, 25), said downwardly opening slot permitting the forward sliding of the cutting implement and the upwardly opening slot permitting the attachment of the cutting guide to a handle for operating the cutting implement attached to the cutting guide; said handle being attached to said cutting guide by a second flexible hinge located between the handle and the cutting guide permitting the handle to move from a stowed to an operational position, said handle being maintained in the stowed position by a retaining means; said first section also housing a glass break tool that can be in a first stowed position or a second deployed position, each of said stowed or deployed positions dependent upon the position of a glass break tool position locking means of the combination tool, whereby said combination cutter and glass break tool is readily available for use by being retained in position on the safety restraint system belt of the vehicle.