A flexible bone tool comprising: a holding portion; a bone tissue removing element, wherein said bone tissue removing element comprises a receiving portion; at least two links moveably coupled to said bone tissue removing element and collectively defining a bendable body; said at least two links coupled a) at a proximal end to the holding portion; and b) at a distal end to said bone tissue removing element; wherein each of said at least two links and bone tissue removing element has a receiving portion (130, 230, 170), a wall of which comprises at least one second aperture (136, 252), said receiving portion of said bone tissue removing element having an inner diameter; wherein each of said at least two links has an engaging portion (132, 240), a wall of which comprises at least a first aperture (134, 242), said engaging portion having an outer diameter; said receiving portion of a distal one of said at least two links sized and fitted to receive a said engaging portion of a proximal one of said at least two links such that said first and second apertures are aligned; and at least one pin (124a/b, 128a/b) sized and fitted to be received by said aligned first and second apertures and movably couple said proximal and distal links; characterized in that said outer diameter of said engaging portion of said proximal one of said at least two links is smaller than the inner diameter of said receiving portion of said distal one of said at least two links. a holding portion; a bone tissue removing element, wherein said bone tissue removing element comprises a receiving portion; at least two links moveably coupled to said bone tissue removing element and collectively defining a bendable body; said at least two links coupled a) at a proximal end to the holding portion; and b) at a distal end to said bone tissue removing element; wherein each of said at least two links and bone tissue removing element has a receiving portion (130, 230, 170), a wall of which comprises at least one second aperture (136, 252), said receiving portion of said bone tissue removing element having an inner diameter; wherein each of said at least two links has an engaging portion (132, 240), a wall of which comprises at least a first aperture (134, 242), said engaging portion having an outer diameter; said receiving portion of a distal one of said at least two links sized and fitted to receive a said engaging portion of a proximal one of said at least two links such that said first and second apertures are aligned; and a) at a proximal end to the holding portion; and b) at a distal end to said bone tissue removing element; wherein each of said at least two links and bone tissue removing element has a receiving portion (130, 230, 170), a wall of which comprises at least one second aperture (136, 252), said receiving portion of said bone tissue removing element having an inner diameter; wherein each of said at least two links has an engaging portion (132, 240), a wall of which comprises at least a first aperture (134, 242), said engaging portion having an outer diameter; said receiving portion of a distal one of said at least two links sized and fitted to receive a said engaging portion of a proximal one of said at least two links such that said first and second apertures are aligned; and wherein each of said at least two links and bone tissue removing element has a receiving portion (130, 230, 170), a wall of which comprises at least one second aperture (136, 252), said receiving portion of said bone tissue removing element having an inner diameter; wherein each of said at least two links has an engaging portion (132, 240), a wall of which comprises at least a first aperture (134, 242), said engaging portion having an outer diameter; said receiving portion of a distal one of said at least two links sized and fitted to receive a said engaging portion of a proximal one of said at least two links such that said first and second apertures are aligned; and at least one pin (124a/b, 128a/b) sized and fitted to be received by said aligned first and second apertures and movably couple said proximal and distal links; characterized in that said outer diameter of said engaging portion of said proximal one of said at least two links is smaller than the inner diameter of said receiving portion of said distal one of said at least two links.