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YoYoFactory October Red 401k
Exhibit #3729
TypeProduction
ShapeConcave )-(
AxleBearing
FinishAnodized
ColorOctober Red
PackagingBoxed
ConstructionMulti-piece metal
ResponseSpecial
Diameter2.25 inch
GapFixed
Weight68 g
Date2005
OwnerDavid Hall
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The 401k represented another major innovation in yo-yo technology, as we've come to expect from the Van Dan Elzens. Hans and his team at YoYoFactory created the first yo-yo with an adjustable response system. Shuttles around the bearing move in or out, depending on how you adjust the knob on the outside of the yo-yo. So response can be increased or reduced, depending on how you advance or retract the shuttles.

While the 401k came with starburst response, stickers could be also used, making this a very flexible design. Look carefully at the shuttle around the bearing, and adjustment knob on the outside.
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Logo Side View
Response View
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