Add sourdough discard, flour, olive oil, salt and maple syrup to a mixing bowl and bring the ingredients together to form a shaggy dough.
Knead the dough in the bowl until it forms a smooth pliable dough (it is a soft dough and will be slightly sticky, but still very easy to handle). If it's too sticky, add a little more flour.
Allow the dough to sit for a little bit - like a mini bulk ferment. You don't want it to rise a lot, but you just want the dough to relax.
Using a scale, divide the dough into equally weighted pieces. 30g makes a lovely bread stick, around 27cm long.
Roll each piece of dough into a long, thin stick and then roll each one in seeds of your choice (I've listed sesame seeds but you can use whatever you like - or just keep them plain).
Place the sourdough breadsticks onto a parchment lined baking tray, with a small gap in between each one.
Cover the sourdough breadsticks with a damp dish towel and allow them to sit for around an hour.
When you're ready to bake, preheat the oven to 350F/180C. Brush the dough with olive oil and sprinkle with salt.
Bake at 350F/180C for around 25 minutes or until grissini are golden and crisp.
Once baked, leave them in the oven with the door ajar to dry thoroughly.