Stylus
You need to take the old needle or stylus off and take it to a dealer and replace it, you cn find this under the arm at the end of the arm.
Typically diamond. But any hard, rigid material will do (other precious gems, bone and ivory, various metals have been used).
because it is the strongest thing that they could use so the needles go blunt much slower than if they used a normal metal
They typically drag because that's how they make sound. If it didn't dray there would be no music.If you mean that it sounds slow, that is because as stated above, it is part of the process. Better...