Peak Design’s new game-changing Travel Tripod has been a smash hit on Kickstarter. Since being announced on May 21st, it has already raised over $8.4 million from over 19,000 backers, and there’s still 7 days to go. This is the San Francisco-based company’s 9th crowdfunding campaign thus far, and it’s by far the most successful. The previous top 3 were the Everyday line of bags, the Everyday Messenger bag, and the Travel line of bags, which raised $4.8 million, $5.2…