Preheat The Oven'S Broiler To 500 Degrees; Set The Oven Rack About 6 Inches From The Heat Source. Combine The Balsamic Vinegar And The Garlic In A Small Bowl; Reserve. Roll The Salmon Strips, Beginning On The Thickest Side, Into 6 Pinwheels. Secure With Wooden Skewers. Drizzle The Balsamic And Garlic Mixture Generously Over Each Pinwheel. Place Salmon Under Hot Broiler And Cook For 7 Minutes. Turn Pinwheels Over; Cook Until Edges Are Brown, And Fish Is Easily Flaked With A Fork, About 7 Additional Minutes. Sprinkle With Pepper Before Serving.