He starts by showing you the spikes his dad used to set the British record in the 10,000 in 1968.
https://www.youtube.com/watch?v=sML8As5w5Ag&feature=emb_logo
Below are the shoes his dad wore for his 10,000 record in 1968.
https://www.letsrun.com/wp-content/uploads/2020/02/1968-spike-british-10000-record-b.jpg
https://www.letsrun.com/wp-content/uploads/2020/02/1968-spike-british-10000-record.jpg