Because of its relatives and the ways in which we believe Deinonychus behaved it is thought that it was covered with feathers. The feathers were not nearly as sophisticated as the flight feathers of modern birds but they probably helped the dinosaur balance and maneuver itself during high-speed pursuits of prey. In addition, skeletal features have been compared to that of Archaeopteryx, one of the very early bird-like therapods, as well as modern birds. These anatomical comparisons lead scientists to believe that Deinonychus and the entire Dromaeosauridae family are direct ancestors of modern birds. If the bruised toenail has turned black because of the fluid build-up underneath the toenail, immense pain is caused to the person. In such a scenario, immediate medical attention is required. A podiatrist will make a hole in the area where there is fluid build-up to drain out the fluid so that less pressure is exerted on the toenail, and the resultant pain and the inflammation, can go down. Sometimes, the fluid build-up is so huge that the only solution is to remove the entire toenail in order to cure it. If the toenail is removed, it takes about six months for a new toenail to grow back. Hammer toes, claw toes, and mallet toes all have muscle and tendon issues in common, but are each defined by the joint affected that causes the toe to curve downward. A hammer toe is where the middle joint causes the toe to curve downward, causing the entire toe to curve up then then down at a sharp angle (like and upside-down V). Most common in the second toe, this condition is often associated with bunions. When toes are bent for periods of time, their muscles shorten, which then leads to the deformity. Other causes are muscle, nerve or joint damage resulting from osteoarthritis, rheumatoid arthritis, stroke, Charcot-Marie-Tooth disease and diabetes. A claw toe is a toe that is contracted at the PIP and DIP joints and can lead to severe pressure and pain. Ligaments and tendons that have tightened cause the toe's joints to curl downwards. Claw toes may occur in any toe, except the big toe. There is often discomfort at the top part of the toe that is rubbing against the shoe and at the end of the toe that is pressed against the bottom of the shoe. Now you are thinking about that what kind of shoes should be purchased so that foot discomfort and structural problems such as the claw toes and bunions become somewhat reliving. Hair pullers are fundamental tools for good grooming. Allow groomers to remove excess hair from the ear canal and reduce the risk of infections. Also used for removing ticks from pet hairs. Forceps come in curved and straight blades, having locked and unlocked handles. Forceps with polyethylene dipping handles are more commonly used these days because of firm grip and easy working.