You reach down to scratch its back in the lumbar region, just in front of its pelvis. (www2.vet.cornell.edu)
Hold the kettlebell with both hands down in front of your pelvis. (simplycantara.com)
To go further into the pose, place your blocks on the floor just in front of your pelvis, shoulder - width apart, and then put your palms on your blocks and straighten your arms. (yogajournal.com)