Hardwood Wrench Ipe Straightner - ABS Wood Watch this video to get an insight into Hardwood Wrench Ipe or Brazilian Hardwood deck straightener. This is the ultimate tool for the Pro or serious DIYer. The Hardwood Wrench can take the bow right out of any hardwood, no matter how hard the wood is. https://www.youtube.com/watch?v=4LnMcr8Feuo&list=PL-5tWmYmQV6bDhoWoZwqoWW-3A9MHW5It