Possible Clues:

• Hardly anyone recalled the start of this thread
• Hardly any on return trip's first shuttle line
• Counterpart of warp
• Some upset by extremist in Twitter thread
• Shuttle transports this with amphibian
• Strands (carried across by shuttle) with effect from start of Thursday
• Weaving component
• Thread crossing the warp
• Yarn woven across the warp
• Crosswise threads in loom weaving