Related Clues:

• Firmly fixed
• Tackled hard
• Linear, briefly
• Having only length
• Established unmistakably
• Linear, unlike holographic images
• Came first
• Fastened
• Firmly affixed, in a way
• Like a line, for short
• Attached with a hammer
• Flat, for short
• Used a hammer
• Caught redhanded
• Lacking width and depth, briefly