I feel that this 8 minute video of E5 and E6 Shinkansen coupling with each other is very Mastodon content. It's racy stuff.

https://www.youtube.com/watch?v=6j2KqZINMqE

#ShinkansenPosting #Shinkansen #Train

東北新幹線 E6系スーパーこまち・E5系はやぶさ連結シーン2本撮り+α Connection of Shinkansen

YouTube

That YouTube channel seems to post a lot of coupling content. Even this compilation of Shinkansen in the snow has 6 minutes of trains with their couplers out in the middle.

https://www.youtube.com/watch?v=tDukPVlDmWI

#ShinkansenPosting #Shinkansen #Trains

2024 冬の新幹線雪中高速通過と連結 E5系,E8系,N700Sなど Shinkansen bullet train in the snow video collection

YouTube