Though, truthfully, messenger bag and briefcase can be used interchangeably these days
(Standard CF tends to splinter or shatter instead of flex on impact.) The result is a helmet ready for the unparalleled demands and requirements of high end closed cockpit racing
The set inclueds: a bone awl for marking, a bone napping stone for arrow heads, a smooth green stone for hammering, a stone crystal for sharpening copper hooks, a flat rectangular stone for sharpening hooks, a copper blade in its wood case and a small sharks tooth for inscribing

Injection-molded ABS outer shell is rugged yet lightweight Three-piece Expanded Polystyrene (EPS) safety liner dissipates impact loads and fortifies helmet structure for a secure fit without compromising comfort Molded urethane chin bar pad dissipates energy from frontal impacts Removable/replaceable comfort liner and cheek pads feature brushed fleece Lycra touch points to absorb and evaporate perspiration Chin strap features brushed fleece Lycra touch points for comfort and an adjustable strap end retainer Polycarbonate shield includes anti-fog and anti-scratch treatments for safety and durability Rugged shield hinge hardware with robust detents allows you to open the shield at slow speeds for increased airflow Molded recesses inside EPS designed to accept various aftermarket audio and communication components DOT, ECE approved Sizing Chart Additional Information

The hooks are fairly light, making them a good choice for a topwater so that you can max the size out without bogging down the bait
Its especially useful on steep hills or in emergencies.