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  1. kozz

    I need materials

    I need super-thin but tough rubber to improve some devices I make to protect my skin from peeling when sprinting barefoot on a track or rough pavement. Currently I have a big sheet of 1/16" butyl rubber which results in serviceable but clunky skin-guards that tear apart after two or three...
  2. kozz

    what side does glass get you

    as far as I can recall, glass has nearly always got me on the right side, a few times total. I'm not sure why but I land differently on that side thanks to an ankle sprain long ago. Or maybe because I'm right handed.
  3. kozz

    Vivobarefoot Gobi

    These are my initial impressions of the Vivo Gobi which I bought as an everyday street shoe and have used a couple days. As they break in I will update this review. Ground Feel: 1 out of 5. Fails the wet pavement test - when I walk on wet pavement, it doesn't feel wet, which to me is the...
  4. kozz

    Review - Patagonia Men's Advocate Lace street minshoe

    This thing: http://www.patagonia.com/us/product/mens-advocate-lace-smooth?p=79048-0 What I was looking for was a genuine midsole-less, ordinary looking comfortable shoe for wearing around town, and for a decent price. This ruled out garish colors, athletic shoes, sandals, and vivo too. I...
  5. kozz

    Street shoes other than ripoff vivo or merrell?

    I'm still on a quest to replace my vans boat shoes, which replaced my $50 Fireflies, the only truly minimalist street shoes I've ever owned, and which are no longer sold and their German manufacturer has no recollection of ever having produced them. I refuse to pay Vivo or Merrell a marked-up...
  6. kozz

    vivobarefoot sole durability

    I am considering these http://www.planetshoes.com/item/vivobarefoot-gobi/21364/127?vsp=&mkwid=COenEnBy&pcrid=34853941940&source=adwords&pla=t&gclid=CMu67JzIr7wCFas9QgodJDcARA&vsp=HR1212O15&source=hoverrecover for street shoes but am leery of that steep a price for 3mm soles. I've got nearly...
  7. kozz

    I need street shoes just like these

    These are more or less minimalist skate shoes. They were made by a European company called Firefly. The model is called Influence. There is no trace of their existence past or present on the internet, and Firefly no longer manufactures anything like them nor ships any products to the United...
  8. kozz

    Strange forefoot/2nd met pain

    I will include as much technical detail as possible in hope of getting useful suggestions. background: I've been running barefoot for over 4 years, have never worn minimalist shoes, weigh 180 pounds but am fast. I focus on short middle distance and never race above 5k. During summer training...
  9. kozz

    Blind Strides, something I did this spring/summer

    Yes, blindfolded on a soccer field, I tried to run strides in a straight line, with a timer set to 15 seconds to avoid running off the field and crashing into something. The first time I turned about 90 degrees after 10 seconds. After a few more tries I had +/- 10 degrees accuracy...
  10. kozz

    How elastic is Vibram rubber

    I am looking for a rubber material with good durability but a relatively low durometer. Lower than 50 but more than whatever a bicycle inner tube is. Durometer is the un-stretchiness of rubber, the higher the number, the more rigid. Most commercially available rubber is around 50 or higher...
  11. kozz

    3rd embedded glass in 4 years. Ow!

    In 4 years of BF running, I only had 2 embedded glass wounds until today. But this time I was able to squeeze it back out. Tiny little pointy star-shaped ball of glass. OWWW! Lot of pain for such a tiny object. But totally painless afterward.
  12. kozz

    3rd phalanx, aches and pains or breaks and sprains?

    My 3rd phalanges on the right side have a persistent pain that I can't identify. It's not debilitating but it is annoying. It may or may not affect my form. I first noticed it after a fairly fast set of cruise intervals on cold pavement, about two weeks ago. It manifests when the 3rd phalanges...
  13. kozz

    Still looking for anti-friction material for speedwork

    Like some kind of resinous material that would augment the outer edge of callous and prevent it from peeling or bleeding, at least before 2 or 3k of fast repeats. Superglue can fix tears on well-calloused skin, but I've yet to find something effective for less-calloused skin on the edges...
  14. kozz

    Anyone used skin glue on a callous?

    I mentioned elsewhere recently how speedwork can tear off big chunks of skin, it must have jinxed me cause the track has bit me again. Normally I would just cut the square-inch flap off and let the new skin toughen up, but I'm gonna race in a few days, and should do at least one workout before...
  15. kozz

    How to heal up a major callus tear

    the outside front of my left forefoot callus is completely gone, about 2 square centimeters of it, torn off during a track meet. In 3 years of barefoot running it's the first time I've lost that much callus, now there's a big hole several millimeters deep with soft skin under it. And right in...